Instructions Make a new page on your wiki titled "2-1 Lab Safety Worksheet." Copy the questions to your wiki and answer them there.
Video
If a bar pops up on this screen click it and then run the add-on.
Double click the video when playing to make it full screen or hit Control and Plus at the same time till it is the size you want.
Press and hold the forward button to fast forward.
pt1
pt2
pt3
pt4
pt5
pt6
pt7
pt8
pt9
pt10
pt11
Handling Chemicals Safely 1. When you read the label on a chemical container, what are the three most important pieces of information? 2. How many times should you read this information before you open the container? 3. Is it important to be exact when preparing a chemical reaction? Explain. 4. What should you do with leftover chemicals after an experiment? What should you do with the products of an experiment? 5. How can you draw small volumes of liquids into a pipette safely? 6. Why is it important to read instructions all the way through before beginning an experiment? 7. When you need to carry chemicals from one place to another in the lab, what size container is the safest to use? 8. If you spill a liquid chemical, what should you do? 9. Should you add acid to water, or water to acid?
Bunsen Burner and Glassware Safety 10. Before hooking a Bunsen burner to the gas line, what should you look for? 11. How quickly should you turn on the gas? 12. When you use a striker, where should you stand? 13. If your flame sputters or goes out, what should you do? 14. If you smell gas in the room, what should you do? 15. Is it safe to heat a sealed container? Explain 16. Is it safe to work near heated objects? 17. Is it safe to use glassware that has cracks or stars ? Explain. 18. How can you safely carry a heated object? 19. Is it safe to heat flammable chemicals (e.g., gasoline) with a Bunsen burner?
Thermometer Safety 20. Thermometers contain either alcohol or mercury to indicate temperature. Which substance (mercury or alcohol) creates toxic vapors when exposed to air? 21. If you break a mercury thermometer, what is the safe way to clean it up? 22. Before choosing a thermometer for a specific job, what should you know?
Glass Tubing Safety 23. What is one of the most common causes of injury in the laboratory? 24. Describe how to use an inserter. 25. If you do not have an inserter, how should you insert glass tubing into a rubber stopper? How can you protect your hands? 26. What is the safe way to insert a thermometer into a stopper?
Centrifuge Safety 27. If you have just one sample that needs to be centrifuged, what must you do before turning the centrifuge on? Describe. 28. If the centrifuge starts to vibrate or move across the countertop, what should you do? 29. How should you stop a spinning centrifuge?
Dressing for Safety 30. What types of shoes are appropriate for the lab? 31. Describe the type of clothing you should wear on days when you will be working in the lab? 32. How should you protect your eyes from chemicals and class shards? 33. What is it important to remove rings, watches, and contact lenses before working in the lab? 34. How can you protect your hands when working with corrosive chemicals?
Behavior in the Laboratory 35. Is the Laboratory a safe place to eat, drink, or put on makeup? Why or why not? 36. What is a safe way to read a burette that is above your eye level? 37. Where should you keep personal belongings that you bring to the lab?
Emergency Equipment 38. Name the pieces of safety equipment in your laboratory. Do you know where they are and how to use them? 39. How do you extinguish a small fire in a container? What should you do if you have a larger fire? 40. How do you put out a clothing fire?
Time Length
Instructions
Make a new page on your wiki titled "2-1 Lab Safety Worksheet." Copy the questions to your wiki and answer them there.
Video
If a bar pops up on this screen click it and then run the add-on.
Double click the video when playing to make it full screen or hit Control and Plus at the same time till it is the size you want.
Press and hold the forward button to fast forward.
Handling Chemicals Safely
1. When you read the label on a chemical container, what are the three most important pieces of information?
2. How many times should you read this information before you open the container?
3. Is it important to be exact when preparing a chemical reaction? Explain.
4. What should you do with leftover chemicals after an experiment? What should you do with the products of an experiment?
5. How can you draw small volumes of liquids into a pipette safely?
6. Why is it important to read instructions all the way through before beginning an experiment?
7. When you need to carry chemicals from one place to another in the lab, what size container is the safest to use?
8. If you spill a liquid chemical, what should you do?
9. Should you add acid to water, or water to acid?
Bunsen Burner and Glassware Safety
10. Before hooking a Bunsen burner to the gas line, what should you look for?
11. How quickly should you turn on the gas?
12. When you use a striker, where should you stand?
13. If your flame sputters or goes out, what should you do?
14. If you smell gas in the room, what should you do?
15. Is it safe to heat a sealed container? Explain
16. Is it safe to work near heated objects?
17. Is it safe to use glassware that has cracks or stars ? Explain.
18. How can you safely carry a heated object?
19. Is it safe to heat flammable chemicals (e.g., gasoline) with a Bunsen burner?
Thermometer Safety
20. Thermometers contain either alcohol or mercury to indicate temperature. Which substance (mercury or alcohol) creates toxic vapors when exposed to air?
21. If you break a mercury thermometer, what is the safe way to clean it up?
22. Before choosing a thermometer for a specific job, what should you know?
Glass Tubing Safety
23. What is one of the most common causes of injury in the laboratory?
24. Describe how to use an inserter.
25. If you do not have an inserter, how should you insert glass tubing into a rubber stopper? How can you protect your hands?
26. What is the safe way to insert a thermometer into a stopper?
Centrifuge Safety
27. If you have just one sample that needs to be centrifuged, what must you do before turning the centrifuge on? Describe.
28. If the centrifuge starts to vibrate or move across the countertop, what should you do?
29. How should you stop a spinning centrifuge?
Dressing for Safety
30. What types of shoes are appropriate for the lab?
31. Describe the type of clothing you should wear on days when you will be working in the lab?
32. How should you protect your eyes from chemicals and class shards?
33. What is it important to remove rings, watches, and contact lenses before working in the lab?
34. How can you protect your hands when working with corrosive chemicals?
Behavior in the Laboratory
35. Is the Laboratory a safe place to eat, drink, or put on makeup? Why or why not?
36. What is a safe way to read a burette that is above your eye level?
37. Where should you keep personal belongings that you bring to the lab?
Emergency Equipment
38. Name the pieces of safety equipment in your laboratory. Do you know where they are and how to use them?
39. How do you extinguish a small fire in a container? What should you do if you have a larger fire?
40. How do you put out a clothing fire?